Changed the plugs - 34K miles
#1
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Changed the plugs - 34K miles
From what I have read, looks pretty normal for rotary plugs. The black has me a tad worried, but I plan to pull and inspect them after a couple oil changes unless things get funky. As for now the car is noticeably more quite and idles smoother. Makes a more raspy sound with high RPM and WOT. Just seems a bit spunkier in general. Worth the $100 for the plugs!
#2
I checked a original leading plug at 28k miles, but it had no black on it an about 10% of the tan that you have.
I did put the BHR ign on at 23k miles, so the plugs are still alive.
In fact with the stronger spark of the BHR, IMO that the plug gap can wear farther which means run longer.
I run an auto 6spd which revs lower and less so I plan to replace at 50k miles.
You got all there was out of these plugs, so now go put on some coils to keep the carbon at bay.
I did put the BHR ign on at 23k miles, so the plugs are still alive.
In fact with the stronger spark of the BHR, IMO that the plug gap can wear farther which means run longer.
I run an auto 6spd which revs lower and less so I plan to replace at 50k miles.
You got all there was out of these plugs, so now go put on some coils to keep the carbon at bay.
#6
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I drive it pretty hard. Previous owned, not so sure. I got the car with 27K on it. Drove it to 34K so far. Who knows how much build up I've blown off. lol
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